Finding the Fourth Proportional to 78,602.84, 108,474.18 and 42,793.46

Step by Step Solution

1. Step 1: Write the proportion equation
   78,602.84 : 108,474.18 = 42,793.46 : x
2. Step 2: Convert to fraction form
   78,602.84/108,474.18 = 42,793.46/x
3. Step 3: Cross multiply
   78,602.84x = 108,474.18 × 42,793.46
4. Step 4: Simplify right side
   78,602.84x = 4,641,984,940.49
5. Step 5: Solve for x
   x = 4,641,984,940.49/78,602.84
6. Step 6: Final answer
   x = 59,056.20